KOONTZ,HAROLD. (1979). ESSENTIALS OF MANAGEMENT. TATA MC GRAW HILL.
Chicago Style aipamenaKOONTZ,HAROLD. ESSENTIALS OF MANAGEMENT. TATA MC GRAW HILL, 1979.
MLA aipamenaKOONTZ,HAROLD. ESSENTIALS OF MANAGEMENT. TATA MC GRAW HILL, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.